Computer Officer Second Paper Model Question 2083 (Technical Subject)

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कम्प्युटर अधिकृत (राजपत्रांकित तृतीय श्रेणी) — द्वितीय पत्र — Technical Subject. This 2083-pattern model paper has 10 questions, 100 marks, ३ घण्टा. It covers areas such as Computer architecture and data structures and programming, and Software engineering and database. Answer pointers follow the questions.

About this paper

The technical written paper for Computer Officer (gazetted third class).

Full marks100
Pass marks40
Time३ घण्टा
Questions10
Format10 questions × 10 marks
SectionsSection A: Computer Architecture, Data Structures and Programming (30 marks) · Section B: Software Engineering and Database (20 marks) · Section C: Operating System and Networking (20 marks) · Section D: Information Security, E-governance and IT Policy (30 marks)

Syllabus areas covered

  • Computer architecture, data structures and programming (30 marks)
  • Software engineering and database (20)
  • Operating system and networking (20)
  • Information security, e-governance and IT policy (30)

Attempt this paper by hand in the real time limit (३ घण्टा), then compare with the answer pointers below. For the method, see our guide to better answers in written exams.

Questions

Section A: Computer Architecture, Data Structures and Programming — 30 marks
1. Explain pipelining in a processor. What are pipeline hazards and how are they handled? [10]
2. Compare arrays and linked lists. Write an algorithm to insert a node at the beginning of a singly linked list. [10]
3. Explain the principles of object-oriented programming with suitable examples. [10]
Section B: Software Engineering and Database — 20 marks
4. Compare the waterfall and agile models of software development. Which is more suitable for government IT projects and why? [10]
5. What is normalization? Explain 1NF, 2NF and 3NF with examples. [10]
Section C: Operating System and Networking — 20 marks
6. Explain deadlock. Describe the necessary conditions and methods for handling deadlock. [10]
7. Explain subnetting with an example. Divide 192.168.10.0/24 into four equal subnets. [10]
Section D: Information Security, E-governance and IT Policy — 30 marks
8. Explain symmetric and asymmetric encryption. How do digital signatures ensure authenticity? [10]
9. Discuss the role of a government integrated data centre and cloud services in e-governance in Nepal. [10]
10. What measures should a government office adopt to protect its information systems from cyber attacks? [10]

Answer pointers

Show answer pointers

1. Instruction stages; structural, data and control hazards; forwarding, stalls, branch prediction.

2. Contiguous vs dynamic memory, access time, insertion cost; create node, link to head, update head.

3. Encapsulation, inheritance, polymorphism, abstraction.

4. Sequential vs iterative; changing requirements, user feedback; hybrid approach.

5. Reduce redundancy; atomic values, no partial dependency, no transitive dependency.

6. Mutual exclusion, hold and wait, no preemption, circular wait; prevention, avoidance (Banker’s algorithm), detection and recovery.

7. Borrow 2 bits → /26; 192.168.10.0, .64, .128, .192, each with 62 usable hosts.

8. Single shared key vs key pair; hash signed with private key, verified with public key; PKI.

9. Hosting, availability, cost saving, security; data sovereignty, backup, capacity.

10. Policy, access control, patching, backups, monitoring, incident response, training, audits.

This is an original model paper written by Loksewa Pathsala on the 2083 exam pattern (marks, time, number of questions and sections). It is not an official Lok Sewa Aayog question paper. यो लोक सेवा आयोगको आधिकारिक प्रश्नपत्र होइन; अभ्यासका लागि तयार पारिएको मौलिक मोडल प्रश्नपत्र हो।

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